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Today, I released version 0.6 of the Axon Framework. 0.6 has many new features and is another step towards full production readiness. There is still some work to do, but first, let’s take a look at what has changed… Continue reading Axon Framework 0.6 released
Besides some changes to existing building blocks, such as the event bus, which is now much more powerful, the 0.5 version also includes some new features. Read on to find out more. Continue reading Axon Framework 0.5 released Command Query Responsibility Segregation (CQRS) is an architectural style that makes a clear distinction between commands, which tell an application to do something, and queries, which are requests for information from an application. This distinction comes from the fact that the requirements (and thus also the model) for the execution and validation of commands are significantly different than those for queries. Events play an important role in the synchronization of application state resulting from executed command. Applying a CQRS style architecture involves the development of quite a lot of “plumbing” code: event dispatching, asynchronous event processing, transactions, etc. cqrs4j, an Apache 2 licensed open source framework, takes care of all the plumbing for you. Read on to find out how… Continue reading CQRS made easy with cqrs4j Implementing an equals method in Java can be quite complicated. Fortunately there are numerous document around the web with useful tips, hints and frameworks to assist you in this process. However, an implementation of the equals method that is technically correct doesn’t have to make any sense functionally. In Domain Driven Design, your domain model implementation is the beating heart of your application. Everything has to make perfect (functional) sense in there. Having good equals methods is of vital importance there. In this article, I will elaborate on some common pitfalls you can encounter when implementing the equals method, as well as some sensible guidelines. Continue reading Domain Driven Design and the equals method |
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Today, I finalized the 0.5 release of the Axon Framework. There is quite a number of changes since the 0.4 version. The 0.5 version is a major step towards production readiness of the framework.
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